Syndicated columnist Mark Shields and New York Times columnist David Brooks join Judy Woodruff to discuss the week’s top news, including U.S. airstrikes against the Islamic State militant group in Iraq, how Americans are grading President Obama’s foreign policy performance,…

EmbedVideo(6481, 482, 304); The Watergate hearings began on May 17, 1973. Public Television aired all 250 hours of testimony that summer. Here are some of the highlights. Video edited by Justin Scuiletti The Watergate scandal began with a…